Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nhan tao map snippets" » "nhan tai map snippets", "nhan dan map snippets", "nhan va map snippets", "nhan tao may snippets", "nhan tao gap snippets", "nhan tao lap snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("nhan tao map snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan tao map snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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